| /* Round a 32-bit floating point value to the nearest integer. |
| Copyright (C) 1997-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <math.h> |
| #include <libm-alias-float.h> |
| |
| float |
| __rintf (float x) |
| { |
| static const float TWO23 = 8388608.0; |
| |
| if (fabsf (x) < TWO23) |
| { |
| if (x > 0.0) |
| { |
| x += TWO23; |
| x -= TWO23; |
| } |
| else if (x < 0.0) |
| { |
| x = TWO23 - x; |
| x = -(x - TWO23); |
| } |
| } |
| |
| return x; |
| } |
| libm_alias_float (__rint, rint) |